Physician profile

John F Walling

Gastroenterology (Internal Medicine) · East Lansing, MI

NPI 1073579512

$2,793.69

in general payments reported to CMS, 2019-2025

26 companies · $529 in 2025

The $529 reported for 2025 was less than what a typical Gastroenterology (Internal Medicine) provider received nationally (typical 2025 total: $636).

Payments by year

General payments by program year, as reported to CMS.

What the payments were for

Nature of payment as categorized by the reporting companies: meals, consulting, travel, and so on.

View as a table
Payment typeAmount (2023-2025)
Food and Beverage$2,073.95
Education$30.40

Payment-type detail covers 2023-2025; earlier years are included in totals but not broken out here.

Who reported paying

General payments only, as reported to CMS. Product names cover 2023-2025.

CompanyGeneral paymentsYearsTop products
Abbvie INC. $850.72 2019-2025 Rinvoq, Viberzi, Linzess
Pfizer INC. $248.22 2019-2024
Salix Pharmaceuticals, A Division of Bausch Health US, LLC $224.40 2019-2025 Xifaxan, Trulance
Takeda Pharmaceuticals U.S.A., INC. $187.38 2019-2024 Entyvio
Janssen Biotech, INC. $157.82 2019-2025 Tremfya, Stelara
Regeneron Healthcare Solutions, INC. $133.28 2023-2025 Dupixent
Boston Scientific Corporation $128.98 2024 Exalt Model D
Gilead Sciences, INC. $102.98 2023-2025
Lilly USA, LLC $88.99 2024-2025 Omvoh
Ardelyx, INC. $71.78 2022-2025 Ibsrela
Braintree Laboratories, INC. $68.32 2023 Sutab, Suflave
Nestle Healthcare Nutrition INC. $65.43 2021-2023
Qol Medical, LLC $63.80 2020-2024 Sucraid, Sucraid
Phathom Pharmaceuticals, INC. $50.91 2023-2024 Voquezna
Intercept Pharmaceuticals, INC. $48.38 2022-2025 Ocaliva
Show all 26 companies
CompanyGeneral paymentsYearsTop products
Celgene Corporation $47.65 2022-2023 Zeposia
Merck Sharp & Dohme LLC $44.50 2019-2023 Dificid
Ipsen Biopharmaceuticals, INC $38.80 2024-2025 Iqirvo, Bylvay
Ironwood Pharmaceuticals, INC $36.55 2023 Linzess
Olympus America INC. $22.92 2019
Amgen INC. $21.78 2023 Amjevita, Avsola
Alnylam Pharmaceuticals INC. $21.58 2023 Givlaari
Genzyme Corporation $21.48 2025
Ferring Pharmaceuticals INC. $16.75 2023 Rebyota
Celltrion USA INC. $16.63 2025 Vegzelma
Mylan Institutional INC. $13.66 2023 Hulio

Drugs and devices associated with these payments

CMS records which products a payment was associated with, not how the money was allocated. Association is not allocation: one payment can be associated with several products, and a product listing does not mean the payment was made because of that product. Product detail covers 2023-2025.

If you want to bring it up

Most clinicians are glad to talk about this. A respectful way in:

These are normal questions. A good clinician will welcome them.

Share this page

Payment summary

John F Walling

$2,793.69

in general payments reported 2019-2025

Years
2019-2025
Top company
Abbvie INC.
Context
The $529 reported for 2025 was less than what a typical Gastroenterology (Internal Medicine) provider received nationally (typical 2025 total: $636).

https://glasscript.com/doctor/275058/john-f-walling

Source: CMS Open Payments, program years 2019-2025. Payments are legal and often routine.

Keep an eye on this page

Get an email when the next June refresh changes this page. No account needed.

Watch this doctor

Source: CMS Open Payments, program years 2019-2025, as reported to CMS by drug and device makers (published June 30, 2026). Drug and device detail covers 2023-2025.